#631912#631912

#631912 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.6% C 0.107 H 29.3°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX#631912
RGBrgb(99, 25, 18)
HSLhsl(5, 69%, 23%)
HSVhsv(5, 82%, 39%)
CMYKcmyk(0%, 74.7%, 81.8%, 61.2%)
CIE-LABlab(21.55, 32.73, 23.83)
CIE-LCHlch(21.55, 40.49, 36.05°)
OKLaboklab(33.63% 0.0937 0.0526)
OKLCHoklch(33.63% 0.107 29.3)
XYZxyz(5.6030, 3.3924, 0.9319)
Luminance0.0339 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#631912 #125C63
analogous
#631233 #631912 #634112
triadic
#631912 #126319 #191263
tetradic
#631912 #336312 #125C63 #411263
square
#631912 #336312 #125C63 #411263
split-complementary
#631912 #126341 #123363
monochromatic
#1A0705 #2F0C09 #631912 #97261B #CB3325

Accessibility & contrast

On white

12.51
#631912 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#631912 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631912
12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##631912#FFFFFF#000000##FFFFFF
##6319121.0012.511.6812.51
#FFFFFF12.511.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2911
Deuteranopia (green-blind)
#413A0F
Tritanopia (blue-blind)
#6E0118
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #631912;
/* rgb */ color: rgb(99, 25, 18);
/* oklch */ color: oklch(33.6% 0.107 29.3);
Tailwind
colors: {
  custom: {
    50: '#965b50',
    500: '#631912',
    950: '#000000',
  },
}
SCSS
$custom: #631912;
$custom-light: #965b50;
$custom-dark: #000000;
JSON
{
  "hex": "#631912",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 18
  },
  "hsl": {
    "h": 5.185,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33627,
    "c": 0.10744,
    "h": 29.3
  },
  "luminance": 0.03392
}

Semantic roles & 50–950 ramp

primary
#631912
secondary
#36929B
accent
#DDEC3C
background
#F9F5F4
surface
#F2E9E7
border
#CCC5C3
text
#0F0402
muted
#7E7978

Preview Lab

Preview with #631912

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#631912 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva